Grid positioning device



FIG. 1 is an isometric view showing our new design.

FIG. 2 is a front view showing our new design.

FIG. 3 is a right side view showing our new design, the left side being identical.

FIG. 4 is a bottom view showing our new design; and,

FIG. 5 is a top view showing our new design.

The broken lines shown are included for the purpose of illustrating portions of the grid positioning device that form no part of the claim. 

CLAIM The ornamental design for a grid positioning device, as shown and described. 